Load additional static files for modules, really

Since we're only processing the config script upon calling
Module::hasJs/Css() if no module.js or module.css exists,
we need to ensure that it's processed when calling
Module::getJS/CssFiles().

refs #9702

library/Icinga/Application/Modules/Module.php

@@ -447,6 +447,7 @@ class Module
      */
     public function getCssFiles()
     {
+        $this->launchConfigScript();
         $files = $this->cssFiles;
         $files[] = $this->getCssFilename();
         return $files;
@@ -497,6 +498,7 @@ class Module
      */
     public function getJsFiles()
     {
+        $this->launchConfigScript();
         $files = $this->jsFiles;
         $files[] = $this->getJsFilename();
         return $files;